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Finding the Fourth Proportional to 474,403.92, 654,706.44 and 273,264.72

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Solution

The fourth proportional to 474,403.92, 654,706.44 and 273,264.72 is: 377,122.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,403.92 : 654,706.44 = 273,264.72 : x
  2. Step 2: Convert to fraction form
    474,403.92/654,706.44 = 273,264.72/x
  3. Step 3: Cross multiply
    474,403.92x = 654,706.44 × 273,264.72
  4. Step 4: Simplify right side
    474,403.92x = 178,908,172,008.80
  5. Step 5: Solve for x
    x = 178,908,172,008.80/474,403.92
  6. Step 6: Final answer
    x = 377,122.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.